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"HF." Fullformexpand.com, https://www.fullformexpand.com/hf/389784. Accessed 9 Jan. 2026.
Fullformexpand.com, 2026. "HF." Accessed January 9, 2026. https://www.fullformexpand.com/hf/389784.
"HF." (n.d.). Fullformexpand.com. Retrieved January 9, 2026, from https://www.fullformexpand.com/hf/389784.
HF. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/hf/389784 (Accessed: 9 January 2026).